Business Segments and Major Customers (Details Textual)	3 Months Ended
Mar. 29, 2014	Mar. 30, 2013
Business Segments and Major Customers [Line Items]
Entity Wide Information Percentage Revenue Contribution Top Ten Customers By Revenue Contribution	86.50%	84.70%

Percentage of revenue generated from the company's top 10 customers (based on revenue generated by customer).

No definition available.

Name:	tmng_EntityWideInformationPercentageRevenueContributionTopTenCustomersByRevenueContribution
Namespace Prefix:	tmng_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration